diff --git a/homework3/LinkQueue.cpp b/homework3/LinkQueue.cpp
index 32f8da1..465dba3 100644
--- a/homework3/LinkQueue.cpp
+++ b/homework3/LinkQueue.cpp
@@ -4,3 +4,30 @@
 #include<iostream>
 
 using namespace std;
+
+void initQueue(linkQueue &q) {
+    q.list = new Node;
+    q.front = q.rear = q.list;
+}
+
+bool isEmpty(linkQueue &q) {
+    if (q.front == q.rear) {
+        return true;
+    }
+    return false;
+}
+
+bool enQueue(linkQueue &q, int e) {
+    q.rear = q.rear->next;
+    q.rear->data = e;
+}
+
+int deQueue(linkQueue &q) {
+    if (isEmpty(q)) {
+        cout << "此队列为空" << endl;
+        return NULL;
+    }
+    int returnE = q.front->data;
+    q.front = q.front->next;
+    return returnE;
+}
diff --git a/homework3/LinkQueue.h b/homework3/LinkQueue.h
index 02d27b1..38206fb 100644
--- a/homework3/LinkQueue.h
+++ b/homework3/LinkQueue.h
@@ -3,5 +3,23 @@
 #ifndef LINKQUEUE_H
 #define LINKQUEUE_H
 
+typedef struct Node {
+    int data;
+    Node *next;
+} Node, *LinkList;
+
+typedef struct {
+    LinkList list;
+    Node *front;
+    Node *rear;
+} linkQueue;
+
+void initQueue(linkQueue &q);
+
+bool isEmpty(linkQueue &q);
+
+bool enQueue(linkQueue &q, int e);
+
+int deQueue(linkQueue &q);
 
 #endif //LINKQUEUE_H